restriction-media-auto-play-attribute.https.html (2369B)
1 <!DOCTYPE html> 2 <!-- 3 The test aligns with the spec on which behavior is deferred. The test asserts 4 that media resources are not loaded during prerendering, but it's possible the 5 spec will allow loading and only disallow playback. 6 --> 7 <title>Access to the Autoplay of the Media is deferred</title> 8 <meta name="variant" content="?target_hint=_self"> 9 <meta name="variant" content="?target_hint=_blank"> 10 <meta name="timeout" content="long"> 11 <script src="/resources/testharness.js"></script> 12 <script src="/resources/testharnessreport.js"></script> 13 <script src="/common/utils.js"></script> 14 <script src="../resources/utils.js"></script> 15 <script src="resources/utils.js"></script> 16 17 <body> 18 <script> 19 setup(() => assertSpeculationRulesIsSupported()); 20 21 function RunTest(type, description) { 22 promise_test(async t => { 23 const uid = token(); 24 const bc = new PrerenderChannel('test-channel', uid); 25 t.add_cleanup(_ => bc.close()); 26 27 const gotMessage = new Promise(resolve => { 28 bc.addEventListener('message', e => { 29 resolve(e.data); 30 }, { 31 once: true 32 }); 33 }); 34 const url = `resources/media-autoplay-attribute.html?type=${type}&uid=${uid}&target_hint=${getTargetHint()}`; 35 window.open(url, '_blank', 'noopener'); 36 37 const result = await gotMessage; 38 const expected = [ 39 { 40 event: 'started waiting Autoplay', 41 prerendering: true 42 }, 43 { 44 event: 'prerendering change', 45 prerendering: false 46 }, 47 { 48 event: 'fired loadedmetadata event after prerendering is activated', 49 prerendering: false 50 }, 51 { 52 event: 'finished waiting Autoplay', 53 prerendering: false 54 }, 55 ]; 56 assert_equals(result.length, expected.length, `${type}`); 57 for (let i = 0; i < result.length; i++) { 58 assert_equals(result[i].event, expected[i].event, `event${i}`); 59 assert_equals(result[i].prerendering, expected[i].prerendering, 60 `prerendering${i}`); 61 } 62 63 // Send a close signal to PrerenderEventCollector on the prerendered page. 64 new PrerenderChannel('close', uid).postMessage(''); 65 }, description); 66 } 67 68 RunTest('audio', `autoplay of the audio media should be deferred until the prerendered page is activated`); 69 70 RunTest('video', `autoplay of the video media should be deferred until the prerendered page is activated`); 71 </script>